| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | had [been] [v-ing] [adv] for | 84 |
|
| 2 | [noun pl] had [been] [v-ing] [adv] | 62 |
|
| 3 | [noun pl] had [been] [v-ing] for | 40 |
|
| 4 | [noun pl] had [been] [adv] for | 9 |
|
